It is composed of inner and outer cone molds, plus lifting holes and other accessories. It is used to produce the uppermost part of the insp
According to the size requirements of the square inspection well or septic tank, the steel plate is cut, welded and assembled, divided into
Similar to the suspended roller cement pipe mold, it uses a suspended roller main machine for producing cement pipes to produce the straight
Traditional inspection wells are generally made of bricks. Cement sand and gravel materials need to be prepared at the construction site, wh
